Recent questions tagged inorganic-chemistry

The treatment of $Mg_3B_2$ with acids produces

asked Jul 25, 2014 by thanvigandhi_1

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The atomic numbers of elements of the second inner transition elements lie in the range of

asked Jul 25, 2014 by sreemathi.v

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Which of the following facts regarding boron and silicon is not true ?

asked Jul 25, 2014 by thanvigandhi_1

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An element X belongs to Group 14 and $2^{nd}$ period of the periodic table.Its atomic number will be

asked Jul 25, 2014 by sreemathi.v

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The number of elements in the fourth period of the periodic table is

asked Jul 25, 2014 by sreemathi.v

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The atomic number of element next to $_{53}I$ in the same group is

asked Jul 25, 2014 by sreemathi.v

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Which of the following equations is not correctly formulated ?

asked Jul 25, 2014 by thanvigandhi_1

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The elements with atomic numbers 21 to 30 belong to

asked Jul 25, 2014 by sreemathi.v

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The number of periods in the long form of periodic table is

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In Lother Meyer plot of atomic volume versus atomic mass,the peaks are occupied by

asked Jul 25, 2014 by sreemathi.v

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In the sixth period,the orbitals being filled are

asked Jul 25, 2014 by sreemathi.v

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The fifth period of modern periodic table includes

asked Jul 25, 2014 by sreemathi.v

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The oxidation state of Sc in $Sc_2Si_2O_7$ is

asked Jul 25, 2014 by sreemathi.v

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The charge $x$ of $Si_6O_{18}^x$ will be

asked Jul 25, 2014 by sreemathi.v

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Which one of the following is a covalent carbide?

asked Jul 25, 2014 by sreemathi.v

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Each silicon atom in the trimer cyclic silicate has

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Which of the following elements is not the constituent of zeolite A

asked Jul 25, 2014 by sreemathi.v

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Which of the following statements is correct?

asked Jul 25, 2014 by sreemathi.v

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Which of the following bonds has the highest bond energy ?

asked Jul 25, 2014 by sreemathi.v

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Which of the following is an allylide?

asked Jul 25, 2014 by sreemathi.v

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Which of the following is a acetylide?

asked Jul 25, 2014 by sreemathi.v

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Which of the following is a methanide?

asked Jul 25, 2014 by sreemathi.v

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Which of the following compounds of lead is the most stable?

asked Jul 25, 2014 by sreemathi.v

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Which of the following fuel gases has the highest calorific value?

asked Jul 25, 2014 by sreemathi.v

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Hydrolysis of $SiF_4$ in alkaline medium produces

asked Jul 25, 2014 by sreemathi.v

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Amongst the following element,which one has the highest melting point?

asked Jul 25, 2014 by sreemathi.v

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Lead pencil contains

asked Jul 25, 2014 by sreemathi.v

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Bond energy is highest amongst

asked Jul 25, 2014 by sreemathi.v

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Which of the following oxides is used in lead accumulators?

asked Jul 25, 2014 by sreemathi.v

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The only stable tetrahalide of lead is

asked Jul 25, 2014 by sreemathi.v

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Which of the following statements is not correct?

asked Jul 25, 2014 by sreemathi.v

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Which of the following statements is not correct?

asked Jul 25, 2014 by sreemathi.v

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Heating lead in air at higher temperature ($T \geq 725K)$,the oxide formed is

asked Jul 25, 2014 by sreemathi.v

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Which of the following equations is not actually observed?

asked Jul 25, 2014 by sreemathi.v

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In the purification of lead electrolytically,which of the following facts is not correct?

asked Jul 25, 2014 by sreemathi.v

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The chief ore of lead is

asked Jul 25, 2014 by sreemathi.v

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Which is the chief ore of tin?

asked Jul 25, 2014 by sreemathi.v

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Which of the following is not correct?

asked Jul 25, 2014 by sreemathi.v

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Which of the following statements regarding glass is not true?

asked Jul 25, 2014 by sreemathi.v

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Which of the following statements is not correct?

asked Jul 24, 2014 by sreemathi.v

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Which of the following statements is not correct?

asked Jul 24, 2014 by sreemathi.v

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Which of the following statements is not correct ?

asked Jul 24, 2014 by thanvigandhi_1

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The dissolution of stannous hydroxide in excess base produces

asked Jul 24, 2014 by sreemathi.v

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Which of the following statements is not correct?

asked Jul 24, 2014 by sreemathi.v

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Which of the following facts is not correct ?

asked Jul 24, 2014 by thanvigandhi_1

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Which of the following oxides is an acidic oxide?

asked Jul 24, 2014 by sreemathi.v

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Which of the following statements is not true ?

asked Jul 24, 2014 by thanvigandhi_1

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Which of the following statements is not correct?

asked Jul 24, 2014 by sreemathi.v

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Which of the following statements is not correct?

asked Jul 24, 2014 by sreemathi.v

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The atomic number of indium which belongs to 5th period is

asked Jul 24, 2014 by thanvigandhi_1

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